Download The Circulatory System Activity Sheet

 The Circulatory System Activity Sheet 1. Which of the following is NOT one of the three main components of the circulatory system? a. Heart b. Lungs c. Blood d. Blood vessels 2. More than half of your blood is made of a liquid called _____________________________. 3. Each type of blood cell has a different job. Explain the job that each does. Red blood cells: _______________________________________________________________ __________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________ Platelets: ____________________________________________________________________ __________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________ White blood cells: _____________________________________________________________ __________________________________________________________________________________________________________________ __________________________________________________________________________________________________________________ 4. Blood vessels that carry blood FROM the heart to the body are called _________________. 5. Blood vessels that carry blood TO the heart from the body are called _________________. 6. Name two substances that move from the blood into cells as the blood flows through the capillaries. _____________________________________ _____________________________________ 7. The main artery of the body is called the ________________________________________. World Book’s Building Blocks of Life Science The Circulatory System Activity Sheet© 8. There are two pumps in the heart. The left side delivers oxygen rich blood to the body from the lungs through the arteries. The right side pumps the blood carrying what waste gas out of the body into the lungs through the veins? ___________________________________ 9. What organ stores energy in the body and releases nutrients into the blood when needed? ____________________________________________________________________________ 10. When your body temperature begins to rise, the flow of blood to the skin increases and then the heat passes out of the body. What happens when your body temperature drops? ____________________________________________________________________________
____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ 11. Blood pressure is the force of blood moving through the body. What is high blood pressure called? _____________________________________________________________ 12. THE HUMAN HEART: Match the labels -­‐ ______ aorta ______ pulmonary artery ______ right atrium ______ left atrium ______ right ventricle ______ right ventricle ______ inferior vena cava ______ superior vena cava World Book’s Building Blocks of Life Science The Circulatory System Activity Sheet© ANSWERS: 1. b. lungs 2. Plasma 3. Red blood cells transport oxygen throughout your body. Platelets help stop bleeding at the site of a wound. White blood cells defend the body against illness. 4. Arteries 5. Veins 6. Oxygen, nutrients 7. Aorta 8. Carbon dioxide 9. Liver 10. When your body temperature begins to drop, the flow of blood to the skin is restricted helping the body to retain as much heat as possible. 11. Hypertension 12. ___b)___ aorta ___c)___ pulmonary artery ___h)___ right atrium ___d)___ left atrium ___g)___ right ventricle ___e)___ left ventricle ___f)___ inferior vena cava ___a)___ superior vena cava World Book’s Building Blocks of Life Science The Circulatory System Activity Sheet©